March weather forecastPortola Hills, CA
March
Weather in March
March, the first month of the spring in Portola Hills, is still a comfortable month, with an average temperature varying between 50.2°F (10.1°C) and 66.2°F (19°C).Temperature
With the onset of March, a modest change to a still enjoyable 66.2°F (19°C) from February's 64.2°F (17.9°C) is noted in high-temperature. Portola Hills reports an average low-temperature of 50.2°F (10.1°C) during the nights of March.Humidity
In March, the average relative humidity is 65%.Rainfall
In Portola Hills, during March, the rain falls for 8.1 days and regularly aggregates up to 1.06" (27mm) of precipitation. In Portola Hills, California, during the entire year, the rain falls for 65.4 days and collects up to 9.17" (233mm) of precipitation.Daylight
In March, the average length of the day is 12h and 0min.On the first day of the month, sunrise is at 6:17 am and sunset at 5:47 pm PST. On the last day of March, sunrise is at 6:38 am and sunset at 7:10 pm PDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from PDT to PST.
Sunshine
In Portola Hills, California, the average sunshine in March is 8.7h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 4 in March translates into the following instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Portola Hills, CA
- Average high temperature in March: 66.2°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (63.1°F).
- Average low temperature in March: 50.2°F
The month with the highest average low temperature is August (64.4°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).
Average pressure in March
Portola Hills, CA
- Average pressure in March: 30.02"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).
Average wind speed in March
Portola Hills, CA
- Average wind speed in March: 5.2mph
The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest months (with the lowest average wind speed) are August and September (4.5mph).
Average humidity in March
Portola Hills, CA
- Average humidity in March: 65%
The months with the highest relative humidity are May and June (69%).
The month with the lowest relative humidity is November (55%).
Average rainfall in March
Portola Hills, CA
- Average rainfall in March: 1.06"
The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in March
Portola Hills, CA
- Average rainfall days in March: 8.1 days
The month with the highest number of rainy days is March (8.1 days).
The month with the least rainy days is June (2 days).
Average daylight in March /
Average sunshine in March
Portola Hills, CA
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in March: 8h and 42min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in March
Portola Hills, CA
- Average sunshine days in March: 21.1 days
The months with the most sunshine days are January and October (24.2 days).
The month with the least sunshine days is May (19.3 days).
Average UV index in March
Portola Hills, CA
- Average UV index in March: 4
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in March
Portola Hills, CA
- Average cloud cover in March: 24
The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in March
Portola Hills, CA
- Average visibility in March: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
